US Bridges

SH 141 Ml over Monument Creek

Fair

Dolores County, Colorado · 0.5 MI No of JCT US 666 M · Structure no. M-01-F

Built
1960
65 years old
Condition
Fair
inspected December 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
460
2020 count
Owner
State
State Highway Agency

About this bridge

SH 141 Ml over Monument Creek is a concrete culvert carrying SH 141 Ml over Monument Creek in Dolores County, Colorado. It was built in 1960, so it is 65 years old, older than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 460 vehicles a day, roughly 10% of them trucks, projected to reach 570 by 2040. The structure is 21 ft (6.4 m) long and 48 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSH 141 Ml
CrossesMonument Creek
Location0.5 MI No of JCT US 666 M
RouteState Highway 141A
Coordinates37.78131, -108.94062
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.7 US tons
Inventory rating27.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width48 ft (14.5 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic460 (2020)
Projected traffic570 by 2040
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 141 Ml over Monument Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is SH 141 Ml over Monument Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2023.

How much traffic does SH 141 Ml over Monument Creek carry?

About 460 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is SH 141 Ml over Monument Creek?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 48 ft wide.

Who owns SH 141 Ml over Monument Creek?

It is owned by the State Highway Agency.